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Add 20/9 and 12/80

1st number: 2 2/9, 2nd number: 12/80

20/9 + 12/80 is 427/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 80 is 720
  2. For the 1st fraction, since 9 × 80 = 720,
    20/9 = 20 × 80/9 × 80 = 1600/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    12/80 = 12 × 9/80 × 9 = 108/720
  4. Add the two fractions:
    1600/720 + 108/720 = 1600 + 108/720 = 1708/720
  5. After reducing the fraction, the answer is 427/180
  6. In mixed form: 267/180

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